Billing

Billing Items

Billing Modes

CDM provides pay-per-use and discount packages for you to select. The longer you use, the cheaper you will be.

• Pay-per-use
  You can enable or disable CDM as you like and you are charged by the usage duration.

  • The pay-per-use billing accounts for only cluster instance fees but not public network traffic fees.
  • A cluster is bound to a specific region. You can only use the cluster you purchased in the region to which the cluster is bound.
  • After you purchase a CDM cluster, the system automatically creates the cluster you purchased. You can bind an EIP to the cluster on the management console when necessary.

  For details about pay-per-use pricing, see Product Pricing Details.

• Discount package (pay-per-use resource package)

  You can purchase a discount package for a period of usage in advance. This mode is economical and recommended if you need to use CDM for a long time.

  • After you buy a discount package, you need to create CDM clusters of the corresponding instances in the specified region. The package can be used for 745 hours in each billing month within the validity period.
  • A discount package can be used by one or more qualified CDM clusters in the specified region. Any resource usage beyond the package quotas is billed based on a pay-per-use basis.

    For example, if you purchase a one-month discount package (745 hours/month) and two CDM clusters are associated with the package, 372.5 hours (about 15.5 days) can be allocated to each cluster within the one-month subscription. Any usage beyond the allocated hours will be charged in pay-per-use mode.

  • If you purchase a discount package and do not associate it with any CDM clusters, the quota in the package will not be consumed and the validity period of the package will not be extended as well. Therefore, you are advised to properly plan the resource usage before purchasing a discount package.
  • If you want to avail the preferential price of the discount package, you can buy such a package and a pay-per-use cluster in the same region and with the same specifications as the package.
  • If you purchase a pay-per-use cluster and then a discount package in the same region and with the same specifications as the cluster, the fees generated before you purchase the discount package are charged in pay-per-use mode, and the subsequent fees are charged based on the discount package.

Changing Billing Mode

Four types of instance flavors are available when you subscribe to CDM. You can select proper instance flavors based on service requirements.

After a cluster is created, you cannot change the cluster specifications. You can change the cluster specifications only by deleting the cluster and creating a cluster with the new specifications.

Renewal

You can renew a resource package upon its expiration, or you can set auto-renewal rules for a resource package. For details about renewal operations, see Renewal Management.

Expiration and Overdue Payment

After a yearly/monthly package expires, you will be billed for subsequently used resources on a pay-per-use basis. If your account is in arrears, a grace period and a retention period will be granted. Such periods depend on the customer tier and subscription type. For details about the fees and resource handling during the grace and retention periods, see Grace Period and Retention Period.

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